Table 1. Population fluctuations (in numbers per square yard) of grasshoppers in a shortgrass prairie site, northeastern Colorado. (Adapted from Capinera and Thompson).
1980 |
1981 |
1982 |
1983 |
1984 |
1985 |
|
| Melanoplus gladstoni |
0.2 |
0.3 |
0.9 |
1.1 |
0.7 |
0.1 |
| Assemblage of 5 common species |
0.4 |
0.9 |
2.4 |
4.0 |
3.1 |
1.6 |
